The Turkish Statistical Institute (TÜİK) is Türkiye’s national statistical institution, headquartered in Ankara and organized through 26 regional directorates. Its role is to produce and share statistical information, serving as a central source of data about the country. TÜİK makes information available through portals covering general data, population statistics, geographic statistics, official statistics and Sustainable Development Goals, as well as a classification server and a children’s portal.

Its services include regional and provincial indicators, statistical databases, microdata and sample requests, survey participation, and tools for updating monetary values. Users can also access publications, a library, international indicators, metadata, classifications, quality reports and documentation on statistical methods. TÜİK publishes news bulletins and provides a data release calendar, alongside guidance on accessing information and submitting enquiries. The institute also offers services for respondents and researchers, including survey information and statistical research resources. Through these products and services, TÜİK supports access to organized statistical data and related information for users in Türkiye and abroad.